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Effects of 100 Hz sinusoidal vibration on H reflex and M wave in rat soleus muscle following immobilization / 浙江大学学报·医学版
Journal of Zhejiang University. Medical sciences ; (6): 545-549, 2011.
Artigo em Chinês | WPRIM | ID: wpr-247216
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the effects of 100 Hz sinusoidal vibration on H reflex and M wave in rat soleus muscle following immobilization.</p><p><b>METHODS</b>The immobilization of rat soleus muscle was induced as a disuse muscle model, and 100 Hz sinusoidal vibration was generated by a vibrator and applied to the immobilized soleus muscle, then the changes of H reflex and M wave in muscle were observed after 14 d.</p><p><b>RESULTS</b>Compared to control, after 14 d of immobilization M(max) in soleus muscle decreased (P<0.01), stimulus threshold and S(max) increased (P<0.01); Hmax and H(max)/M(max) decreased (P<0.05, S(max) increased (P<0.05). Compared to immobilized soleus muscle, after 14 d of immobilization with 100 Hz sinusoidal vibration, the M(max) increased(P<0.01), stimulus threshold and S(Mmax) decreased (P<0.05), H(max) (P<0.01) increased and H(max)/M(max) increased (P<0.05).</p><p><b>CONCLUSION</b>100 Hz sinusoidal vibration plays a significant antagonist role against the changes in H reflex and M wave in rat soleus muscle following immobilization.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fisiologia / Vibração / Ratos Sprague-Dawley / Fusos Musculares / Músculo Esquelético / Elevação dos Membros Posteriores / Eletromiografia / Reflexo H / Contração Muscular Limite: Animais Idioma: Chinês Revista: Journal of Zhejiang University. Medical sciences Ano de publicação: 2011 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fisiologia / Vibração / Ratos Sprague-Dawley / Fusos Musculares / Músculo Esquelético / Elevação dos Membros Posteriores / Eletromiografia / Reflexo H / Contração Muscular Limite: Animais Idioma: Chinês Revista: Journal of Zhejiang University. Medical sciences Ano de publicação: 2011 Tipo de documento: Artigo